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JAMB Chemistry 2006 Question 19

Question 19

Hydrocarbons

An example of aliphatic unsaturated hydrocarbon is

  1. A.pentane
  2. B.butanol
  3. C.propene
  4. D.benzene
Show the answer and explanation

Answer: C (propene)

Explanation

Propene is an open-chain (aliphatic) hydrocarbon with a C=C double bond. Pentane is saturated, butanol is not a hydrocarbon, and benzene is aromatic.